[3dprinting] Latest Qt 5 update breaks Cura

[Miro Hrončok]

I find out that the latest Qt 5 update in Fedora 27 (5.9.2) breaks Cura, 
one of the 3D printing apps.

I've reported the problem [0] (it contains more links).

However, I have no idea how to debug this or fix it, so if anyone here 
is a Qt mastermind, please help.

[0] https://bugzilla.redhat.com/show_bug.cgi?id=1507859

Thank you,
-- 
Miro Hrončok
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Phone: [phone]
IRC: mhroncok